Understanding the Vertex Form of Quadratic Equations

What is the vertex of a parabola typically represented by?

• a, b

• m, n

• h, k

• x, y

Which formula is used to find the x-coordinate of the vertex in a quadratic equation?

• b/2a

• -b/2a

• -2a/b

• 2a/b

What substitution is made for 'b' in the quadratic equation during the proof?

• ah^2

• -2ah

• 2ah

• -ah^2

What is the result of combining the like terms -ah^2 and 2ah^2?

• 3ah^2

• ah^2

• 0

• ah

What is the final form of the quadratic equation after factorization?

• a(x - h)^2 - k

• a(x + h)^2 - k

• a(x - h)^2 + k

• a(x + h)^2 + k